<template>
  <PageWrapper title="懒加载自定义动画示例" content="懒加载组件显示动画">
    <div class="lazy-base-demo-wrap">
      <h1>向下滚动</h1>

      <div class="lazy-base-demo-box">
        <LazyContainer transitionName="custom">
          <TargetContent />
        </LazyContainer>
      </div>
    </div>
  </PageWrapper>
</template>
<script lang="ts">
import { defineComponent } from 'vue'
import TargetContent from './TargetContent.vue'
import { LazyContainer } from '/@/vbenComponents/Container/index'
import { PageWrapper } from '/@/vbenComponents/Page'

export default defineComponent({
  components: { LazyContainer, TargetContent, PageWrapper },
})
</script>
<style lang="less">
@component-background: #white;
.lazy-base-demo {
  &-wrap {
    display: flex;
    width: 50%;
    height: 2000px;
    margin: 20px auto;
    text-align: center;
    background-color: @component-background;
    justify-content: center;
    flex-direction: column;
    align-items: center;
  }

  &-box {
    width: 300px;
    height: 300px;
  }

  h1 {
    height: 1300px;
    margin: 20px 0;
  }
}

.custom-enter {
  opacity: 0%;
  transform: scale(0.4) translate(100%);
}

.custom-enter-to {
  opacity: 100%;
}

.custom-enter-active {
  position: absolute;
  top: 0;
  width: 100%;
  transition: all 0.5s;
}

.custom-leave {
  opacity: 100%;
}

.custom-leave-to {
  opacity: 0%;
  transform: scale(0.4) translate(-100%);
}

.custom-leave-active {
  transition: all 0.5s;
}
</style>
